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Hexachloroethane → (S)-3-(6-Fluoro-[1,2,4]triazolo[4,3-a]pyridin-3-yl)-morpholine-4-carboxylic acid tert-butyl ester

HRID 2285091
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HRID 2285091 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][O:11][CH2:10][C@@H:9]1[C:14]([NH:16][NH:17][C:18]1[CH:23]=[CH:22][C:21]([F:24])=[CH:20][N:19]=1)=O)=[O:7])([CH3:4])([CH3:3])[CH3:2].C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.CCN(CC)CC.ClC(Cl)(Cl)C(Cl)(Cl)Cl>C1COCC1>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][O:11][CH2:10][C@@H:9]1[C:14]1[N:19]2[CH:20]=[C:21]([F:24])[CH:22]=[CH:23][C:18]2=[N:17][N:16]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 6214HexachloroethaneHCID 8471TriethylamineHCID 11776TriphenylphosphineHCID 86687108(R)-3-[N'-(5-Fluoro-pyridin-2-yl)-hydrazinocarbonyl]-morpholine-4-carboxylic acid tert-butyl ester

생성물 1

HCID 89624180(S)-3-(6-Fluoro-[1,2,4]triazolo[4,3-a]pyridin-3-yl)-morpholine-4-carboxylic acid tert-butyl ester수율 84%

시약·촉매·용매

1
HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of Intermediate 83a (375 mg, 1.10 mmol), Ph3P (578 mg, 2.20 mmol) and Et3N (614 μL, 4.41 mmol) in THF (11.0 mL) at 0° C. was added hexachloroethane (523 mg, 2.20 mmol). The reaction was stirred at RT overnight then partitioned between EtOAc and water. The aqueous layer was then extracted with EtOAc (3×). The combined organic layers were washed with brine, dried (MgSO4), filtered and evaporated in vacuo. The residue was taken up in MeOH and loaded onto an SCX-2 cartridge, which was washed with MeOH and eluted with 2M NH3 in MeOH; concentration in vacuo gave the title compound (297 mg, 84%). LCMS (Method 1): Rt 2.73, m/z 323.2 [MH+].

후처리

  1. customthen partitioned between EtOAc and water
  2. extractionThe aqueous layer was then extracted with EtOAc (3×)
  3. washThe combined organic layers were washed with brine
  4. dry with materialdried (MgSO4)
  5. filtrationfiltered
  6. customevaporated in vacuo
  7. washwas washed with MeOH
  8. washeluted with 2M NH3 in MeOH
  9. concentrationconcentration in vacuo

출처 및 근거

ORD 기록
ord-843eacf47e94477b860f260e7508b408
출처 데이터셋
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09145413B2

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